VERT_CS["CGVD2013a(1997) height", VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 1997",2005, AUTHORITY["EPSG","1326"]], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Gravity-related height",UP], AUTHORITY["EPSG","20035"]]